package jdbc;

import java.net.ConnectException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo3 {
    public static void main(String[] args){
        try(
                Connection connection = DBUtil.getConnection()
        ) {
            Statement statement = connection.createStatement();
            String sql = "UPDATE userinfo " +
                    "SET password= '66ccff' " +
                    "WHERE username='洛天依'";
            System.out.println(sql);
            int num = statement.executeUpdate(sql);
            if (num > 0){
                System.out.println("修改成功");
            }else {
                System.out.println("修改失败");
            }
            //connection.close();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}
